Implemented calendar

templates/view.html

@@ -7,6 +7,10 @@
 {% block content %}
 <article>
   <h1 id="firstHeading">{{ p.title }}</h1>
+
+  {% if p.calendar %}
+  <p class="calendar-subtitle"><span class="material-icons">calendar_today</span>{{ p.calendar.strftime('%B %-d, %Y') }}</div>
+  {% endif %}
   
   <div class="jump-to-actions">
     <span>{{ T('last-changed') }} {{ rev.human_pub_date() }}</span> ·